tree 2ca94a064e260f792a50614df05db95de6ed7de7
parent b0ae8410fd70e6e3a247af5ca321aa8392453732
author Marc Kupietz <kupietz@ids-mannheim.de> 1771092858 +0100
committer Helge <stallkamp@ids-mannheim.de> 1779356103 +0200

Make VC helper fields configurable

Adds KALAMAR_VC_HELPER_FIELDS environment variable and vc_helper_fields
configuration option to add or remove fields from the virtual corpus
builder at runtime.

Syntax: KALAMAR_VC_HELPER_FIELDS=+award:text,-docTitle
  +name:type  adds a field
  -name       removes a field

The result is always sorted alphabetically. Analogous to
KALAMAR_HINT_FOUNDRIES (aa6709c).

Required for DeLiKo@DNB

Change-Id: If9ad570133f78515aa6ed0ef87424c0843e76d9c